Create a test case for 'end' keyword in a comment
Refactor tests.
Test ir/ar for all starting lines.
Refactor tests for more readable error messages
Spell out `var` behavior with cursor before/on 'end'
Add tests from column 0.
Test selection in/around outermost rubyblock
Test selecting in/around class
Test that ir/ar contract/expand selection
Test selection in/around do/end blocks
Test that methods can be called on the `end` keyword
Test that oneline conditionals are accepted